public class Test1 {
	
	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		String a = "BANANA";
		String v = a.substring(0, 3) + "X" + a.substring(4, a.length());
		System.out.println(v);
		
		int polje[] = {10, 2, 3, 5, 33, 1000};
		for (int i = polje.length - 1; i >= 0; --i) {
			System.out.print(polje[i] + " ");
		}
		System.out.println();
		for(int i = a.length() - 1; i >= 0; --i){
			System.out.print(a.charAt(i));
		}
	}

}